Oracle

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Which blood type is the universal donor for red blood cells?

Answer

O negative
blood type
Conventional ABO and Rh(D) blood group; universal red-cell donor means compatible across these groups.
sources
www.redcrossblood.org, american red cross - blood types (redcrossblood.org/donate-blood/blood-types.html): o negative red blood cells can be given to patients of any blood type, american red cross - blood types (redcrossblood.org/donate-blood/blood-types.html); aabb technical manual on rh/abo compatibility, american red cross / aabb blood typing reference: o negative red cells lack a, b, and rh(d) antigens and are considered the universal red blood cell donor type, american red cross / aabb blood typing reference: type o negative red blood cells are compatible with all abo/rh blood types and are used as the universal donor for red blood cell transfusions, american red cross / aabb transfusion medicine consensus: type o negative red blood cells lack a, b, and rh(d) antigens, making them compatible with all abo and rh blood types, hence the universal red blood cell donor., american red cross blood services, blood types explained: https://www.redcrossblood.org/donate-blood/blood-types.html, american red cross blood type compatibility chart (redcrossblood.org) and aabb technical manual, both stating o negative red blood cells are compatible with all abo/rh blood types, american red cross blood type compatibility chart (redcrossblood.org) — o negative red blood cells lack a, b, and rh(d) antigens and are compatible with all recipients, american red cross blood type compatibility chart (redcrossblood.org) — o negative red blood cells lack a, b, and rh(d) antigens, making them compatible with all abo/rh recipients, hence o negative is the universal red blood cell donor type., american red cross, 'blood types' (https://www.redcrossblood.org/donate-blood/blood-types.html): 'type o negative blood is the universal blood type... it is compatible with any blood type.' also american society of hematology, 'blood basics' (https://www.hematology.org/education/patients/blood-basics), which describes o negative red cells as lacking a, b, and rh antigens., american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): 'o negative blood is the universal blood donor type', american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): 'o negative blood is the universal blood type ... can be given to patients of any blood type', american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): 'o negative blood is the universal blood type ... can be transfused to patients of all blood types', american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): 'o negative blood type is called the universal donor type because it's compatible with any blood type.', american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): 'o negative red blood cells are the safest to give to anyone in a life-threatening emergency ... making it the universal donor.', american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): 'o negative red blood cells are the safest to give to anyone in an emergency ... o negative blood is the universal blood type.', american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): 'o negative red blood cells can be transfused to patients of all blood types. it's always in short supply and in high demand ... making it the universal blood donor.', american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): 'type o negative blood is the only blood type that is safe for everyone to receive... known as the universal donor type.', american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): 'type o negative blood is the only blood type that is safe for everyone... it's used for emergency transfusions and immune deficient infants. this is why it's known as the universal blood donor.', american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): o negative is the universal red blood cell donor type, american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): o negative red blood cells are the universal donor for red blood cell transfusions., american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): o negative red blood cells are the universal donor type, compatible with all abo/rh blood types., american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): o negative red blood cells are the universal red cell donor type, compatible with all abo/rh blood types, american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): o negative red blood cells can be transfused to patients of any blood type and are used in emergencies when there is no time to determine a patient's blood type, making o negative the universal red blood cell donor type., american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): o negative red blood cells can be transfused to patients of any blood type, making it the universal donor type., american red cross, 'blood types' (redcrossblood.org/donate-blood/blood-types.html): o negative red blood cells can be transfused to patients of any blood type, making it the universal red blood cell donor., american red cross, blood types (https://www.redcrossblood.org/donate-blood/blood-types.html): 'o negative red blood cells are the safest to give to anyone in a life-threatening emergency or when there's a limited supply of the recipient's blood type. that's because it is the only blood type that is universally compatible for anyone who needs a red blood cell transfusion.', american red cross, blood types and compatibility (redcrossblood.org) — o negative red blood cells can be transfused to patients of any blood type, making o negative the universal red blood cell donor type, american red cross, blood types explained: https://www.redcrossblood.org/donate-blood/blood-types.html, american red cross, blood types explained: https://www.redcrossblood.org/donate-blood/blood-types.html; nhs blood and transplant, blood donation key messages: https://www.nhsbt.nhs.uk/how-you-can-help/get-involved/key-messages-and-information/blood-donation-key-messages-and-information/, en.wikipedia.org, prod-www.redcrossblood.org, www.blood.ca, www.mayoclinic.org, www.redcross.org

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